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  • Primary Laboratory Comparisons
    The most accurate measurements made in a Primary Temperature Laboratory are during intercomparisons of ITS-90 fixed point cells, and in particular intercomparing water triple point cells. To assess the stability of the water triple point, a laboratory ideally needs to be able to measure differences
  • Calibrating Temperature Measurement Devices Used in Manufacturing
    This article from OMEGA Engineering discusses the temperature sensors employed in manufacturing and temperature recording, including why and how frequently sensors need calibrating. Calibration equipment options and reasons for and against using an AS17025 calibration laboratory is covered also.
  • Booklet available: Temperature Control By Means of Fluid Media
    Content of this booklet: Theory: Temperature control units; Cooling systems for the plastics industry; Control engineering; Data interfaces; Temperature measurement in the plastics industry; Pumps; Water as a heat-transfer fluid; Treating water for use in heat transfer installations; Thermal oil
  • Laboratory Thermostats for Testing Electronic Components
    The testing of temperature. dependence in the behaviour of. electronic components is frequently. carried out directly in an attemperated. liquid bath. The new thermostats. from the Lauda Proline. range offer the ideal conditions for. these measurements. An example of. such is their use
  • The Accurate Measurement of Biological Effective Ultraviolet Radiation
    A UV-B meter having sharply increasing sensitivity with decreasing wavelength can be shown to well represent a large number of known biological action spectra. The accuracy of the meter, which is temperature stabilized, and its long term stability enable accurate UV and UV trend information
  • Generation of Master Curves for Cured Rubber
    The Williams, Landel & Ferry model (WLF) uses time-temperature superposition to generate master curves that predict the dynamic behavior of materials at frequencies outside the range of practical measurement. This model relies on the observation that time and temperature have equivalent effects
  • Conditioning: Is It Really Necessary?
    in their color characteristics at different temperatures and moisture contents. A sample read in a New York laboratory at 21°C and 40% RH will show different color characteristics than the same sample being measured on a production floor in India at 28°C and 80% RH. To obtain accurate color
  • Huygens Probe and PAT: Exploring a New World
    Operational Excellence & Lean Six Sigma New worlds require a root and branch review of our measurement techniques. The instruments on Huygens were custom-designed to ensure that they could operate reliably after the rigors of atmospheric re-entry, landing, and an environmental temperature 200Â C
  • Understanding Uncertainties in Dry-Block Calibrators (.pdf)
    used in process and laboratory environments for calibration of temperature sensors. All temperature sources introduce measurement errors as a result of their mechanical design and thermodynamic properties. These effects can be quantified in an effort to determine the temperatuer sources's

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